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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8307598

Type

Invention Patent

Filing

11/04/1983

Publication

10/02/1984

Progress at the INPI

  1. Filing11/04/83
  2. Publication10/02/84
  3. Examination07/16/85
  4. Allowance01/06/87
  5. Grant07/28/87
  6. Terminated04/30/96

The patent was granted on 07/28/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 03/15/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

T. A. (pessoa física)

DE

Inventors

W. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.10

03/15/1988

RPI 908

20.4

03/15/1988

RPI 908

14.4

01/12/1988

RPI 899

Concessão da patente

#16.1

07/28/1987

RPI 875

Notificação para pagamento de retribuição

#13.1

06/09/1987

RPI 868

Deferimento

#9.1

01/06/1987

RPI 846

Exigência - art. 36 da LPI

#6.1

06/17/1986

RPI 817

Solicitação de exame técnico

#4.1

07/16/1985

RPI 769

Notificação de entrada na fase nacional - PCT

#1.3

10/02/1984

RPI 728

Anuidade - prazo legal encerrado

#18.2

04/30/1996

RPI 1326

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